Economic Development Organizations (EDO).Foreign Direct Investment Attraction Events.Facing a Foreign Trade AD/CVD or Safeguard Investigation?.Open the final XML file cancelacion-2022-signed.xml in a text editor (that's the one-line version, not the pretty-printed one).
Troubleshooting problems on the 'Online XML Digital Signature Verifier' site However, if it fails, something definitely needs to be fixed. This will verify that the XML-DSIG signature is correct, but is not necessarily proof that the document satisfies all the SAT requirements.
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(ask us first, we'll get back to you on how to send it).Īs an independent alternative, you can verify the signature using the Online XML Digital Signature Verifer. Please send us an example of your signed XML file that fails If you have problems, please let us know with the error message you're getting. Obviously you can verify this by submitting to SAT.
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Note that the certificate and key in this code are different from the latest test examples in the download. You can pass the data directly as a string. Instead of passing the filenames as arguments for the keyFile and certFile parameters, You can avoid using files completely for the private key and certificate. Passing key and certificate data as a string Here is a reformatted pretty-print version, which displays nicely but will not validate because of itsĮxtra whitespace characters (hey, don't blame us, we didn't design XML-DSIG!). The final document (in one line) ( zipped form 3 kB). There are more notes on usage in the source code itself. If the program runs successfully, the output file specified in outputxmlFile will be created. noFlatten Set as true to leave XML in original format (default=flatten to a single line).
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password Password for private key file ( "" if unencrypted). keyFile Filename of matching private key (or PEM string). certFile Filename of X.509 certificate file, or certificate-as-a-string. The input parameters for SignEnvelopedSignature.SignDoc are: outputxmlFile Name of signed output file to be created. Static string SignDoc(string outputxmlFile, string baseXmlFile, string certFile, string keyFile, string password, bool noFlatten = false) Run the method SignEnvelopedSignature.SignDoc If you want to hardcode a time there yourself, just overwrite it in the base file.Ģ.
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The placeholder will be replaced by the local system clock time in the correct ISO time format. The placeholders in the document in the will be replaced by valid values. white space between elements will be removed before processing, so any indentation is not important. The element should be copied exactly as is. Customize the base template file cancelacion-2022-base.xml with your own data in the elements shaded green.
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See Downloads below for the full set of source code, base XML template and test files ġ. Note that if you add back any whitespace by, say, pretty-printing, the signature will be invalid.Ĭ# code: SignEnvelopedSignature.cs. This makes subsequent signature validations less prone to error, but makes the display less friendly. That is, we create the signed output XML document in one long line with no white space between elements. We "flatten" the input document before signing. We avoid these hassles by removing it all.
Which may get changed during transmission and invalidate the signature. There are issues with XML-DSIG in dealing with the white space between elements (indentations, tabs vs spaces, trailing white space, etc) GBREUIp0WJtNBCYUxBEEt1J42hk4VkIT0Zid7kxIKoE9wB77uMZiBiu1Ry8iTBuJ7Ni9DYnHPeptw0/RgH2cBls0+i24XsIL5xzZYWMXZ7I91DsYMg=Īvoid XML-DSIG whitespace hassles: output as a "flattened" one-line string HUSlKTt03uzorhvelVQbFGAgK0VQBldj80oSLH7UFs7VJCSLlb+CVjpQpBq93PFkU40/Aywf/LhoTT3Cy//FUkjxywyfMGJAmPxb45oewJGNgADH4m QhrwPqmk0mbva9fPEcubk877qqXYrE0jFg0JROWFKK74mZHfpPp5MVBb元CPf4z3LeSC4HZbN2ZRfBJ13Rstu47BVK4A7R+W4GsOC8q+Xg2Et4f80p Here is an example, reformatted for display purposes (see output as a "flattened" one-line string). We show here how to create a CancelaCfdi XML document ( Esquema cancelación CFDI versión 4.0) as perĪctualización Factura electrónica - Reforma Fiscal 2022, Passing key and certificate data as a string | Completely re-written for the 2022 CFDI versión 4.0 specification.
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